南京玄武湖水底交通隧道工程与环境效应分析
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摘要
南京玄武湖隧道，既在城市中心，又在水下，是脆弱环境下典型的地质工程。影响水下隧道施工的不仅有环境工程地质条件，还有城市环境约束因素；另外，隧道施工会对城市环境产生不良影响。作者对上述问题作了具体分析，并用系统工程的思想对隧道出口及施工方案的选择进行了初步评价。
Nanjing Xuanwu Tunnel,a subaqueous highway tunnel in the centre of the city is a typical geoengineering project in vulnerable environment. The factors which affect construction of subaqueous highway tunnel include not only environmental engineering geology conditions,such as variation of soil horizon,distribution of lenssoid body,liquefaction of sand,soft soil loss and engineering water hazard, but also urban environment restrain factors,such as cultural landscape,scheme of metro engineering,high buildings and underground line.Furthermore,construction of the tunnel will produce negative effect on urban environment,such as surface subsidence,waste accumulation,variation of water environment,damage of underground pipes and lines and cultural landscape, water contamination and noise pollution,etc. Based on the principle of systematic engineering, the authors analysed the above problems and evaluated the best tunnel entrance schemes and the best tunnel construction schemes.
Nanjing Xuanwu Tunnel,a subaqueous highway tunnel in the centre of the city is a typical geoengineering project in vulnerable environment. The factors which affect construction of subaqueous highway tunnel include not only environmental engineering geology conditions,such as variation of soil horizon,distribution of lenssoid body,liquefaction of sand,soft soil loss and engineering water hazard, but also urban environment restrain factors,such as cultural landscape,scheme of metro engineering,high buildings and underground line.Furthermore,construction of the tunnel will produce negative effect on urban environment,such as surface subsidence,waste accumulation,variation of water environment,damage of underground pipes and lines and cultural landscape, water contamination and noise pollution,etc. Based on the principle of systematic engineering, the authors analysed the above problems and evaluated the best tunnel entrance schemes and the best tunnel construction schemes.
引文
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